package com.fly;

/**
 * Hello world!
 *
 */
public class App 
{
    private String username;

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public static void main(String[] args )
    {
        System.out.println( "Hello World!" );
    }
}
